#sc-tool{--radius:10px;--err:#ff5c6a}[data-theme=light] #sc-tool{--err:#d92f3d}.sc-share-row{margin-top:18px}.sc-mode-tabs{background:var(--surface);border:1px solid var(--border);border-radius:10px;flex-wrap:wrap;gap:6px;margin-bottom:18px;padding:4px;display:flex}.sc-mode-tab{cursor:pointer;min-width:110px;color:var(--txt-dim);background:0 0;border:none;border-radius:7px;flex:1;padding:10px 8px;font-size:12.5px;font-weight:700;transition:background .2s,color .2s}.sc-mode-tab.active{background:var(--accent);color:#fff}.sc-mode-tab:hover:not(.active){color:var(--txt-strong)}.sc-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:20px;padding:24px}.sc-panel-hd{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;display:flex}.sc-panel-title{color:var(--txt-strong);margin-bottom:10px;font-size:16px;font-weight:800}.sc-sub-title{color:var(--txt-dim);margin-bottom:8px;font-size:13px;font-weight:700}.sc-hint{color:var(--txt-dim);margin:8px 0 14px;font-size:12px;line-height:1.6}.sc-hint code{color:var(--accent);font-family:var(--mono)}.sc-display-wrap{background:var(--surface2);border:1px solid var(--border);border-radius:10px;margin-bottom:14px;padding:14px 16px}.sc-display-meta{color:var(--txt-dim);justify-content:space-between;margin-bottom:6px;font-size:11px;font-weight:700;display:flex}#sc-mem-badge{color:var(--accent)}.sc-expr{min-height:16px;font-family:var(--mono);color:var(--txt-dim);text-align:right;word-break:break-all;font-size:13px}.sc-display{text-align:right;width:100%;font-family:var(--mono);color:var(--txt-strong);background:0 0;border:none;outline:none;font-size:clamp(26px,5vw,38px);font-weight:800}.sc-keys{gap:8px;margin-bottom:6px;display:grid}.sc-keys-sci{grid-template-columns:repeat(6,1fr);margin-bottom:14px}.sc-keys-sci button{padding:10px 4px;font-size:12px}.sc-keys-main{grid-template-columns:repeat(6,1fr)}.sc-keys button{border:1px solid var(--border);background:var(--surface2);color:var(--txt-strong);font-family:var(--sans);cursor:pointer;border-radius:8px;padding:14px 6px;font-size:15px;font-weight:700;transition:background .15s,border-color .15s}.sc-keys button:hover{background:var(--surface);border-color:var(--accent)}.sc-keys button.sc-op{color:var(--accent)}.sc-keys button.sc-eq{background:var(--accent);color:#fff;border-color:var(--accent)}.sc-keys button.sc-eq:hover{filter:brightness(1.1)}.sc-keys button.active{color:var(--accent);border-color:var(--accent)}.sc-actions{flex-wrap:wrap;gap:12px;margin-top:14px;display:flex}.sc-fraction-out{font-family:var(--mono);color:var(--txt-strong);margin-top:10px;font-size:15px}.sc-grid-3{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:14px;display:grid}.sc-grid-4{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:14px;display:grid}.sc-field-label{color:var(--txt-strong);margin-bottom:6px;font-size:12px;font-weight:700;display:block}.sc-field label{color:var(--txt-dim);text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px;font-size:12px;font-weight:700;display:block}.sc-field input,.sc-field select{background:var(--surface2);border:1px solid var(--border);width:100%;color:var(--txt-strong);font-family:var(--mono);border-radius:8px;outline:none;padding:10px 12px;font-size:14px;transition:border-color .2s}.sc-field input:focus,.sc-field select:focus{border-color:var(--accent)}.sc-textarea{resize:vertical;background:var(--surface2);border:1px solid var(--border);width:100%;min-height:100px;color:var(--txt);font-family:var(--mono);border-radius:8px;outline:none;margin-bottom:14px;padding:14px;font-size:13px;line-height:1.6}.sc-textarea:focus{border-color:var(--accent)}.sc-matrix-row{grid-template-columns:1fr 1fr;gap:20px;margin-bottom:16px;display:grid}.sc-matrix-grid{gap:8px;display:grid}.sc-matrix-grid input{text-align:center;background:var(--surface2);border:1px solid var(--border);width:100%;color:var(--txt-strong);font-family:var(--mono);border-radius:7px;outline:none;padding:10px;font-size:14px}.sc-matrix-grid input:focus{border-color:var(--accent)}.sc-matrix-result{margin-top:14px}.sc-matrix-result span{background:var(--surface2);border:1px solid var(--border);font-family:var(--mono);color:var(--txt-strong);border-radius:7px;justify-content:center;align-items:center;padding:10px;font-size:13px;display:flex}.sc-inline-result{background:var(--surface2);border:1px solid var(--border);color:var(--txt);font-size:14px;line-height:1.7;font-family:var(--mono);border-radius:10px;min-height:20px;margin-top:12px;padding:14px 16px}.sc-result-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:16px;display:grid}.sc-result-grid .card{background:var(--surface2);border:1px solid var(--border);text-align:center;border-radius:10px;padding:14px}.sc-result-grid .card .lbl{color:var(--txt-dim);text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px;font-size:11px;font-weight:700}.sc-result-grid .card .val{color:var(--txt-strong);font-size:16px;font-weight:800;font-family:var(--mono)}#sc-graph-canvas{background:var(--surface2);border:1px solid var(--border);border-radius:10px;width:100%;height:auto;margin-top:14px}.sc-table-wrap{overflow-x:auto}table.sc-table{border-collapse:collapse;width:100%;font-size:13px}table.sc-table th{text-align:left;color:var(--txt-dim);text-transform:uppercase;letter-spacing:.4px;border-bottom:1px solid var(--border);padding:10px 12px;font-size:11px;font-weight:700}table.sc-table td{border-bottom:1px solid var(--border);color:var(--txt);font-family:var(--mono);padding:10px 12px}table.sc-table tr:hover{background:var(--surface2)}.pane-btn{border:1px solid var(--border);background:var(--surface2);color:var(--txt);cursor:pointer;border-radius:7px;padding:8px 14px;font-size:12px;font-weight:700;transition:background .2s,color .2s,border-color .2s}.pane-btn:hover{background:var(--surface);color:var(--txt-strong);border-color:var(--accent)}.pane-btn.danger{color:var(--err);border-color:color-mix(in srgb, var(--err) 30%, transparent)}.pane-btn.danger:hover{background:color-mix(in srgb, var(--err) 10%, transparent);border-color:var(--err)}.sc-history-list{flex-direction:column;gap:8px;max-height:380px;display:flex;overflow-y:auto}.sc-history-empty{text-align:center;color:var(--txt-dim);background:var(--surface2);border:1px dashed var(--border);border-radius:var(--radius);padding:20px;font-size:13px}.sc-history-item{background:var(--surface2);border:1px solid var(--border);cursor:pointer;border-radius:9px;align-items:center;gap:12px;padding:9px 14px;transition:border-color .2s;display:flex}.sc-history-item:hover{border-color:var(--accent)}.sc-history-text{min-width:0;font-family:var(--mono);color:var(--txt);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:12.5px;overflow:hidden}.sc-history-time{color:var(--txt-dim);font-size:11px;font-family:var(--mono);flex-shrink:0}.sc-history-del{border:1px solid var(--border);width:24px;height:24px;color:var(--txt-dim);cursor:pointer;background:0 0;border-radius:6px;flex-shrink:0;font-size:12px}.sc-history-del:hover{color:var(--err);border-color:var(--err)}.b64-howto{counter-reset:sc-step;flex-direction:column;gap:14px;max-width:820px;list-style:none;display:flex}.b64-howto li{color:var(--txt);padding-left:40px;font-size:14px;line-height:1.65;position:relative}.b64-howto li:before{counter-increment:sc-step;content:counter(sc-step);background:linear-gradient(135deg, var(--grad1), var(--grad2));color:#fff;border-radius:8px;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:800;display:flex;position:absolute;top:0;left:0}.b64-howto strong{color:var(--txt-strong)}.b64-howto code{font-family:var(--mono);color:var(--accent)}.sc-toast{background:var(--surface2);border:1px solid var(--border);color:var(--txt-strong);font-family:var(--mono);z-index:2000;opacity:0;pointer-events:none;border-radius:999px;padding:10px 20px;font-size:13px;font-weight:600;transition:opacity .25s,transform .25s;position:fixed;bottom:28px;left:50%;transform:translate(-50%)translateY(20px)}.sc-toast.show{opacity:1;transform:translate(-50%)translateY(0)}@media (width<=700px){.sc-matrix-row{grid-template-columns:1fr}.sc-keys-main,.sc-keys-sci{grid-template-columns:repeat(5,1fr)}}@media (width<=650px){.sc-panel{padding:18px}.sc-mode-tab{min-width:90px;font-size:11.5px}}